Question

find the HCF of (2*3*7*9), (2*3*9*11)and (2*3*4*5)​

Answer 1

Step-by-step explanation:

2*3*7*9 = 504            

2*3*9*11 = 792

2*3*4*5 = 120

Solution by Factorization:

The factors of 120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120

The factors of 504 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504

The factors of 792 are: 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792

Then the greatest common factor is 24.

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